CN208385274U - Noise reduction key mould group and electronic equipment - Google Patents
Noise reduction key mould group and electronic equipment Download PDFInfo
- Publication number
- CN208385274U CN208385274U CN201821222804.6U CN201821222804U CN208385274U CN 208385274 U CN208385274 U CN 208385274U CN 201821222804 U CN201821222804 U CN 201821222804U CN 208385274 U CN208385274 U CN 208385274U
- Authority
- CN
- China
- Prior art keywords
- conductive electrode
- noise reduction
- mould group
- trigger mechanism
- switch block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/016—Separate bridge contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/05—Force concentrator; Actuating dimple
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/062—Damping vibrations
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a kind of noise reduction key mould group and electronic equipment, key mould group includes switch block, trigger mechanism and support member, trigger mechanism is oppositely arranged with switch block, trigger mechanism can be contacting and separating on direction along switch block and move, the operation that is turned on or off for realizing switch block, is provided with noise reduction layer between switch block and support member.The utility model is provided with noise reduction layer between switch block and support member, buffers the impact force between trigger mechanism and switch block by noise reduction layer, to reduce the noise that key is generated in pressing, promotes the quality of final products on the whole.
Description
Technical field
The utility model discloses a kind of key mould group, especially a kind of noise reduction key mould group and electronic equipment.
Background technique
Dome, full name are metal dome or dome array or dome sheet, are got used to for a long time referred to as, then
Just it is referred to as dome dome piece.It is one piece of PET thin slice comprising metal clips (metal dome), used in PCB or FPC etc.
It is used on wiring board as switch, plays the role of an important sense of touch type switch between user and instrument.With tradition
Silica gel push-button compare, film key have better feel, the longer service life, can also improve indirectly using conductive film
The production efficiency of all types of switches.
The conducting position that metal clips (i.e. Dome) on film key is located on pcb board (is predominantly located on wiring board
Golden finger above), when depressed, the central point of elastic slice is recessed, touch the route on PCB, to be formed into a loop, electricity
Stream passes through, and entire product is just worked normally, and Dome is an important component on switch, by means of metal clips
Conduction plays the role of a good switch between operator and product.Meanwhile utilizing the stable rebound of metal dome
The service life of power (pressing rear self-return) and overlength provides good touch feedback to operator.
It is widely used in various electronic products using the film key of Dome, such as: mobile phone side key, laptop
Touch tablet, earphone line control etc..Using Dome film key due to structural particularity limitation so that it is pressing and was springing back
Can all there be apparent Caton to feel in journey, i.e. touch feedback, or be stroke sense.But it is being pressed using the film key of Dome
During pressure, apparent sound can be generated, i.e., in pressing, has the sound of " click, click, click ", is answered in high-end electronic product
With can drag down the hierarchy level of product, how reduce the keypad tone of film key, be urgent problem to be solved in industry.
Summary of the invention
For the film key in the prior art using Dome mentioned above in key, stronger keypad tone is had
The shortcomings that, the utility model provides a kind of noise reduction key mould group and electronic equipment, sets between switch block and support member
It is equipped with noise reduction layer, the impact force between trigger mechanism and switch block is buffered by noise reduction layer, to reduce key in pressing
The noise of generation promotes the quality of final products on the whole.
The utility model solve its technical problem the technical solution adopted is that: a kind of noise reduction key mould group, key mould group packet
Switch block, trigger mechanism and support member are included, trigger mechanism is oppositely arranged with switch block, and trigger mechanism can be along switch block
It is contacting and separating on direction and moves, realize the operation that is turned on or off of switch block, be arranged between switch block and support member
There is noise reduction layer.
A kind of electronic equipment, the key mould group in electronic equipment use such as above-mentioned noise reduction key mould group.
The technical solution that the utility model solves the use of its technical problem further comprises:
It is fixedly installed fixed film above the trigger mechanism, trigger mechanism is fixedly mounted on fixed film.
Salient point is fixedly installed on the fixation film, salient point is arranged corresponding to trigger mechanism.
Partition is provided with below the fixation film, partition is arranged corresponding to trigger mechanism, and triggering machine is corresponded on partition
Through-hole is offered at structure position, trigger mechanism is embedded in through hole.
The bore periphery offers the air slot of one or more.
The support member uses pcb board, the first conductive electrode of switch block and the second conductive electrode, the first conductive electricity
It is provided with insulation division between pole and the second conductive electrode, makes mutually insulated between the first conductive electrode and the second conductive electrode, the
One conductive electrode and the second conductive electrode are respectively fixedly disposed on FPC, the route mutual conduction on the upper route of FPC and pcb board,
Noise reduction layer is arranged among FPC and PCB.
The support member use support plate, switch block include the first conductive electrode and the second conductive electrode, first
Conductive electrode and the second conductive electrode are separately positioned on FPC, and FPC is equipped with conducting wire, and the first conductive electrode and second is led
It is provided with insulation division between electrode, makes mutually insulated between the first conductive electrode and the second conductive electrode, FPC setting is supporting
Above plate, noise reduction layer is provided between FPC and support member.
The support member uses pcb board, and switch block includes the first conductive electrode and the second conductive electrode, and first leads
It is provided with insulation division between electrode and the second conductive electrode, is made between the first conductive electrode and the second conductive electrode mutually absolutely
Edge, noise reduction layer use flexible conducting material, and the first conductive electrode and the second conductive electrode are pasted onto PCB by flexible conducting material
On plate.
The beneficial effects of the utility model are: the utility model is provided with noise reduction between switch block and support member
Layer buffers the impact force between trigger mechanism and switch block by noise reduction layer, so that reduce that key generates in pressing makes an uproar
Sound promotes the quality of final products on the whole.
The utility model is described further below in conjunction with the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the utility model decomposing state structural schematic diagram.
Fig. 2 is one the schematic diagram of the section structure of the utility model embodiment.
Fig. 3 is two the schematic diagram of the section structure of the utility model embodiment.
Fig. 4 is three the schematic diagram of the section structure of the utility model embodiment.
In figure, 1- support member, 2- switch block, 3- trigger mechanism, 4- noise reduction layer, the fixed film of 5-, 6- salient point, 7- every
Piece, 8- through-hole, 9- air slot, the first conductive electrode of 10-PCB, 11-, the second conductive electrode of 12-, 13- insulation division, 14-FPC,
15- support plate, 16- conductive layer.
Specific embodiment
The present embodiment is the preferred embodiments of the present invention, other its all principles and basic structure are identical as the present embodiment
Or it is approximate, within scope of protection of the utility model.
Attached drawing 1 is please referred to, the utility model mainly protects a kind of noise reduction key mould group, which includes switch block
2, trigger mechanism 3 and support member 1, trigger mechanism 3 are oppositely arranged with switch block 2, and trigger mechanism 3 can be contacted along switch block
It moves on detaching direction, to realize the operation that is turned on or off of switch block 2, is set between switch block 2 and support member 1
It is equipped with noise reduction layer 4.So as to keep trigger mechanism 3 can trigger switch component 2 be turned on or off on the basis of, buffering triggering
Impact force between mechanism 3 and switch block 2, to reduce the noise that key is generated in pressing.
In the present embodiment, noise reduction layer 4 is made of flexible material, has conductive or non-conductive characteristic, silicon specifically can be used
Glue, rubber, conducting foam, electric silica gel etc..
In the present embodiment, it can also increase the attachment mechanism being arranged for fixing switch block below switch block 2, thus
Switch block is fixedly mounted on attachment mechanism, fixed function is played to switch block by attachment mechanism, noise reduction layer 4 can be set
It sets between attachment mechanism and support member 1.
In the present embodiment, fixed film 5 is fixedly installed above trigger mechanism 3, trigger mechanism 3 is fixedly mounted on fixed film
On 5, trigger mechanism 3 is fixed by fixed film 5, is fixedly installed salient point 6 (also known as Plunger) on fixed film 5, it is convex
Point 6 corresponds to trigger mechanism 3 and is arranged, and can enhance the triggering feel of trigger mechanism 3 by salient point 6.In the present embodiment, salient point 6 can
Above or below fixed film 5, salient point 6 can be used bonding method or is made of using UV glue for setting.
In the present embodiment, partition 7 is provided with below fixed film 5, partition 7 is arranged corresponding to trigger mechanism 3, on partition 7
Corresponding to through-hole 8 is offered at 3 position of trigger mechanism, trigger mechanism 3 is embedded at through-hole 8, in the present embodiment, 8 periphery of through-hole
The air slot 9 for offering one or more, for the air of the bottom when triggering of trigger mechanism 3 to be discharged, when being used with enhancing
Feel keeps its pressing more smooth.In the present embodiment, metal clips (also known as DOME) is can be used in trigger mechanism 3.
The utility model structure will be described further with several specific examples below.
Embodiment one: in the present embodiment, support member 1 uses pcb board 10, and switch block includes 11 He of the first conductive electrode
Second conductive electrode 12 is provided with insulation division 13 between first conductive electrode 11 and the second conductive electrode 12, makes the first conductive electricity
Mutually insulated between pole 11 and the second conductive electrode 12, the first conductive electrode 11 use disc, and the second conductive electrode 12 uses
Circular ring shape, when it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also use " mountain " font, semicircle, length
The structures such as bar shaped, the first conductive electrode 11 and the second conductive electrode 12 are respectively fixedly disposed on FPC14, and FPC14 is as switch
Component attachment mechanism uses, and the first conductive electrode 11 and the second conductive electrode 12 use conductive copper sheet, uses using etching, glues
On FPC14, FPC14 is fixed on pcb board 10 processing of the techniques such as patch by the techniques such as stickup or welding, and will be on FPC14
Route mutual conduction on route and pcb board 10, is provided with noise reduction layer 4 between FPC14 and pcb board 10, can be slow by noise reduction layer 4
The impact force between trigger mechanism 3 and switch block 2 is rushed, to reduce the noise that key is generated in pressing.
In the present embodiment, gasket made of flexible material is can be used in noise reduction layer 4, is provided with corresponding to each switch block 2
One gasket may correspond to all switch blocks and entire gasket be arranged.
Embodiment two: in the present embodiment, support member 1 is using support plate 15 or the bottom plate of the electronic equipment used, switch
Component includes the first conductive electrode 11 and the second conductive electrode 12, and the first conductive electrode 11 and the second conductive electrode 12 are respectively set
On FPC14, it is provided with insulation division 13 between the first conductive electrode 11 and the second conductive electrode 12, makes 11 He of the first conductive electrode
Mutually insulated between second conductive electrode 12, the first conductive electrode 11 use disc, and the second conductive electrode 12 uses circular ring shape,
When it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also be using the knots such as " mountain " font, semicircle, strip
Structure, the first conductive electrode 11 and the second conductive electrode 12 are respectively fixedly disposed on FPC14, and FPC14 adheres to as switch block
Mechanism uses, and the first conductive electrode 11 and the second conductive electrode 12 use conductive copper sheet, uses using techniques such as etching, stickups
On FPC14, FPC14 is arranged above support member 1 for processing, and noise reduction layer 4 is provided between FPC14 and support member 1, can be led to
The impact force between noise reduction layer buffering trigger mechanism 3 and switch block 2 is crossed, to reduce the noise that key is generated in pressing.
In the present embodiment, gasket made of flexible material is can be used in noise reduction layer 4, is provided with corresponding to each switch block 2
One gasket may correspond to all switch blocks 2 and entire gasket be arranged.
Embodiment three: in the present embodiment, support member 1 uses pcb board 10, and switch block includes 11 He of the first conductive electrode
Second conductive electrode 12 is provided with insulation division 13 between first conductive electrode 11 and the second conductive electrode 12, makes the first conductive electricity
Mutually insulated between pole 11 and the second conductive electrode 12, the first conductive electrode 11 use disc, and the second conductive electrode 12 uses
Circular ring shape, when it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also use " mountain " font, semicircle, length
The structures such as bar shaped, the first conductive electrode 11 and the second conductive electrode 12 are directly conductive by compliant conductive silica gel or conducting foam etc.
Layer 16 is pasted on pcb board 10, can be buffered between trigger mechanism 3 and switch block 2 by compliant conductive silica gel or conducting foam
Impact force, to reduce key noise for generating in pressing.
The utility model also protects a kind of electronic equipment, and the key mould group in electronic equipment uses above-mentioned noise reduction key mould
Group, electronic equipment can have the electronic equipment of key for laptop, bluetooth keyboard, mobile phone, tablet computer etc..
The implementation method of key mould group noise reduction in the utility model, this method are switch block and branch in key mould group
It is provided with noise reduction layer between the part of support part, the impact force between trigger mechanism and switch block is buffered by noise reduction layer, to reduce
The noise that key is generated in pressing, promotes the quality of final products on the whole.
The utility model is provided with noise reduction layer between switch block and support member, buffers trigger mechanism by noise reduction layer
Impact force between switch block promotes the product of final products to reduce the noise that key is generated in pressing on the whole
Matter.
Claims (9)
1. a kind of noise reduction key mould group, key mould group includes switch block, trigger mechanism and support member, trigger mechanism and switch
Component is oppositely arranged, and trigger mechanism can be contacting and separating on direction along switch block and move, and that realizes switch block leads on-off
Operation is opened, it is characterized in that: being provided with noise reduction layer between the switch block and support member.
2. noise reduction key mould group according to claim 1, it is characterized in that: being fixedly installed above the trigger mechanism
Determine film, trigger mechanism is fixedly mounted on fixed film.
3. noise reduction key mould group according to claim 2, it is characterized in that: it is fixedly installed salient point on the fixation film,
Salient point is arranged corresponding to trigger mechanism.
4. noise reduction key mould group according to claim 2, it is characterized in that: it is provided with partition below the fixation film, every
Piece is arranged corresponding to trigger mechanism, corresponds at trigger mechanism position on partition and offers through-hole, trigger mechanism is embedded in through-hole
Place.
5. noise reduction key mould group according to claim 4, it is characterized in that: the bore periphery offers one or more
Air slot.
6. noise reduction key mould group according to claim 1, it is characterized in that: the support member uses pcb board, switch portion
The first conductive electrode of part and the second conductive electrode, are provided with insulation division between the first conductive electrode and the second conductive electrode, make
Mutually insulated between one conductive electrode and the second conductive electrode, the first conductive electrode and the second conductive electrode are respectively fixedly disposed at
On FPC, the upper route of FPC and the route mutual conduction on pcb board, noise reduction layer are arranged among FPC and PCB.
7. noise reduction key mould group according to claim 1, it is characterized in that: the support member uses support plate, switch
Component includes the first conductive electrode and the second conductive electrode, and the first conductive electrode and the second conductive electrode are separately positioned on FPC,
FPC be equipped with conducting wire, be provided with insulation division between the first conductive electrode and the second conductive electrode, make the first conductive electrode and
Mutually insulated between second conductive electrode, FPC setting is square on the supporting plate, and noise reduction layer is provided between FPC and support member.
8. noise reduction key mould group according to claim 1, it is characterized in that: the support member uses pcb board, switch portion
Part includes the first conductive electrode and the second conductive electrode, is provided with insulation division between the first conductive electrode and the second conductive electrode,
Make mutually insulated between the first conductive electrode and the second conductive electrode, noise reduction layer uses flexible conducting material, the first conductive electrode
It is pasted on pcb board with the second conductive electrode by flexible conducting material.
9. a kind of electronic equipment, it is characterized in that: the key mould group in the electronic equipment is used as appointed in claim 1 to 8
Noise reduction key mould group described in meaning one.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222804.6U CN208385274U (en) | 2018-07-31 | 2018-07-31 | Noise reduction key mould group and electronic equipment |
| PCT/CN2018/099234 WO2020024310A1 (en) | 2018-07-31 | 2018-08-07 | Silencing button module, electronic device, and implementation method |
| JP2020564397A JP2021523542A (en) | 2018-07-31 | 2018-08-07 | Mute button module, electronic equipment and how to mute it |
| US17/055,609 US20210225598A1 (en) | 2018-07-31 | 2018-08-07 | Muted key module, electronic device and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222804.6U CN208385274U (en) | 2018-07-31 | 2018-07-31 | Noise reduction key mould group and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385274U true CN208385274U (en) | 2019-01-15 |
Family
ID=64962099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222804.6U Expired - Fee Related CN208385274U (en) | 2018-07-31 | 2018-07-31 | Noise reduction key mould group and electronic equipment |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210225598A1 (en) |
| JP (1) | JP2021523542A (en) |
| CN (1) | CN208385274U (en) |
| WO (1) | WO2020024310A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695093A (en) * | 2018-07-31 | 2018-10-23 | 深圳市汇创达科技股份有限公司 | Noise reduction button module, electronic equipment and implementation method |
| CN114639573A (en) * | 2022-03-04 | 2022-06-17 | 浙江吉利控股集团有限公司 | Loudspeaker press-ringing mechanism and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003092042A (en) * | 2001-09-14 | 2003-03-28 | Citizen Electronics Co Ltd | Key sheet module |
| JP2005216654A (en) * | 2004-01-29 | 2005-08-11 | Toshiba Tec Corp | Electric equipment |
| CN201196916Y (en) * | 2008-04-07 | 2009-02-18 | 达方电子股份有限公司 | Sound-reduction key structure |
| JP2009059716A (en) * | 2008-12-01 | 2009-03-19 | Fujitsu Component Ltd | Key-switching device and keyboard |
| JP2014165025A (en) * | 2013-02-25 | 2014-09-08 | Teikoku Tsushin Kogyo Co Ltd | Press switch |
| CN107230573B (en) * | 2017-05-31 | 2020-07-28 | 深圳市汇创达科技股份有限公司 | Metal elastic sheet fixing film and processing method thereof |
-
2018
- 2018-07-31 CN CN201821222804.6U patent/CN208385274U/en not_active Expired - Fee Related
- 2018-08-07 WO PCT/CN2018/099234 patent/WO2020024310A1/en active Application Filing
- 2018-08-07 US US17/055,609 patent/US20210225598A1/en not_active Abandoned
- 2018-08-07 JP JP2020564397A patent/JP2021523542A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695093A (en) * | 2018-07-31 | 2018-10-23 | 深圳市汇创达科技股份有限公司 | Noise reduction button module, electronic equipment and implementation method |
| CN114639573A (en) * | 2022-03-04 | 2022-06-17 | 浙江吉利控股集团有限公司 | Loudspeaker press-ringing mechanism and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021523542A (en) | 2021-09-02 |
| US20210225598A1 (en) | 2021-07-22 |
| WO2020024310A1 (en) | 2020-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mute button module and electronic equipment Effective date of registration: 20201221 Granted publication date: 20190115 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN HUICHUANGDA TECHNOLOGY Co.,Ltd. Registration number: Y2020980009629 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |